https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80875
Bug ID: 80875
Summary: UBSAN: compile time crash in fold_binary_loc at
fold-const.c:9817
Product: gcc
Version: 8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: sanitizer
Assignee: unassigned at gcc dot gnu.org
Reporter: babokin at gmail dot com
CC: dodji at gcc dot gnu.org, dvyukov at gcc dot gnu.org,
jakub at gcc dot gnu.org, kcc at gcc dot gnu.org, marxin at
gcc dot gnu.org
Target Milestone: ---
gcc rev248384, x86_64.
> cat f.cpp
void foo() {
~2147483647 * (0 / 0);
}
> g++ -fsanitize=undefined -w -c f.cpp
f.cpp: In function ‘void foo()’:
f.cpp:3:1: internal compiler error: tree check: expected class ‘constant’, have
‘unary’ (negate_expr) in fold_binary_loc, at fold-const.c:9817
}
^
0x10384a7 tree_class_check_failed(tree_node const*, tree_code_class, char
const*, int, char const*)
../../gcc_svn/gcc/tree.c:9909
<...>
